diff --git a/platform/darwin/include/MGLTypes.h b/platform/darwin/include/MGLTypes.h
index 213b90670..ccb496816 100644
--- a/platform/darwin/include/MGLTypes.h
+++ b/platform/darwin/include/MGLTypes.h
@@ -8,6 +8,8 @@
     #define nullable
     #define nonnull
     #define null_resettable
+    #define _Nullable
+    #define _Nonnull
 #endif
 
 NS_ASSUME_NONNULL_BEGIN